441 lines
18 KiB
Python
441 lines
18 KiB
Python
# Copyright (c) 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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import testtools
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import webob.exc
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from nova.api.openstack import api_version_request as api_version
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from nova.api.openstack.compute import hosts as os_hosts_v21
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from nova.compute import power_state
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from nova.compute import vm_states
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from nova import context as context_maker
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from nova import db
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from nova import exception
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from nova import test
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from nova.tests import fixtures
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from nova.tests.unit.api.openstack import fakes
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from nova.tests.unit import fake_hosts
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from nova.tests import uuidsentinel
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def stub_service_get_all(context, disabled=None):
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return fake_hosts.SERVICES_LIST
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def stub_service_get_by_host_and_binary(context, host_name, binary):
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for service in stub_service_get_all(context):
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if service['host'] == host_name and service['binary'] == binary:
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return service
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def stub_set_host_enabled(context, host_name, enabled):
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"""Simulates three possible behaviours for VM drivers or compute
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drivers when enabling or disabling a host.
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'enabled' means new instances can go to this host
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'disabled' means they can't
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"""
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results = {True: "enabled", False: "disabled"}
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if host_name == "notimplemented":
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# The vm driver for this host doesn't support this feature
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raise NotImplementedError()
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elif host_name == "dummydest":
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# The host does not exist
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raise exception.ComputeHostNotFound(host=host_name)
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elif host_name == "service_not_available":
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# The service is not available
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raise exception.ComputeServiceUnavailable(host=host_name)
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elif host_name == "host_c2":
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# Simulate a failure
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return results[not enabled]
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else:
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# Do the right thing
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return results[enabled]
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def stub_set_host_maintenance(context, host_name, mode):
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# We'll simulate success and failure by assuming
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# that 'host_c1' always succeeds, and 'host_c2'
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# always fails
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results = {True: "on_maintenance", False: "off_maintenance"}
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if host_name == "notimplemented":
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# The vm driver for this host doesn't support this feature
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raise NotImplementedError()
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elif host_name == "dummydest":
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# The host does not exist
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raise exception.ComputeHostNotFound(host=host_name)
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elif host_name == "service_not_available":
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# The service is not available
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raise exception.ComputeServiceUnavailable(host=host_name)
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elif host_name == "host_c2":
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# Simulate a failure
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return results[not mode]
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else:
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# Do the right thing
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return results[mode]
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def stub_host_power_action(context, host_name, action):
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if host_name == "notimplemented":
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raise NotImplementedError()
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elif host_name == "dummydest":
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# The host does not exist
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raise exception.ComputeHostNotFound(host=host_name)
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elif host_name == "service_not_available":
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# The service is not available
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raise exception.ComputeServiceUnavailable(host=host_name)
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return action
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def _create_instance(**kwargs):
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"""Create a test instance."""
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ctxt = context_maker.get_admin_context()
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return db.instance_create(ctxt, _create_instance_dict(**kwargs))
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def _create_instance_dict(**kwargs):
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"""Create a dictionary for a test instance."""
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inst = {}
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inst['image_ref'] = 'cedef40a-ed67-4d10-800e-17455edce175'
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inst['reservation_id'] = 'r-fakeres'
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inst['user_id'] = kwargs.get('user_id', 'admin')
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inst['project_id'] = kwargs.get('project_id', 'fake')
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inst['instance_type_id'] = '1'
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if 'host' in kwargs:
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inst['host'] = kwargs.get('host')
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inst['vcpus'] = kwargs.get('vcpus', 1)
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inst['memory_mb'] = kwargs.get('memory_mb', 20)
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inst['root_gb'] = kwargs.get('root_gb', 30)
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inst['ephemeral_gb'] = kwargs.get('ephemeral_gb', 30)
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inst['vm_state'] = kwargs.get('vm_state', vm_states.ACTIVE)
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inst['power_state'] = kwargs.get('power_state', power_state.RUNNING)
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inst['task_state'] = kwargs.get('task_state', None)
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inst['availability_zone'] = kwargs.get('availability_zone', None)
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inst['ami_launch_index'] = 0
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inst['launched_on'] = kwargs.get('launched_on', 'dummy')
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return inst
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class FakeRequestWithNovaZone(object):
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environ = {"nova.context": context_maker.get_admin_context()}
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GET = {"zone": "nova"}
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api_version_request = api_version.APIVersionRequest('2.1')
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class HostTestCaseV21(test.TestCase):
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"""Test Case for hosts."""
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validation_ex = exception.ValidationError
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Controller = os_hosts_v21.HostController
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policy_ex = exception.PolicyNotAuthorized
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def _setup_stubs(self):
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# Pretend we have fake_hosts.HOST_LIST in the DB
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self.stub_out('nova.db.service_get_all',
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stub_service_get_all)
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# Only hosts in our fake DB exist
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self.stub_out('nova.db.service_get_by_host_and_binary',
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stub_service_get_by_host_and_binary)
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# 'host_c1' always succeeds, and 'host_c2'
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self.stubs.Set(self.hosts_api, 'set_host_enabled',
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stub_set_host_enabled)
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# 'host_c1' always succeeds, and 'host_c2'
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self.stubs.Set(self.hosts_api, 'set_host_maintenance',
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stub_set_host_maintenance)
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self.stubs.Set(self.hosts_api, 'host_power_action',
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stub_host_power_action)
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def setUp(self):
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super(HostTestCaseV21, self).setUp()
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self.controller = self.Controller()
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self.hosts_api = self.controller.api
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self.req = fakes.HTTPRequest.blank('', use_admin_context=True)
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self.useFixture(fixtures.SingleCellSimple())
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self._setup_stubs()
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def _test_host_update(self, host, key, val, expected_value):
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body = {key: val}
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result = self.controller.update(self.req, host, body=body)
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self.assertEqual(result[key], expected_value)
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def test_list_hosts(self):
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"""Verify that the compute hosts are returned."""
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result = self.controller.index(self.req)
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self.assertIn('hosts', result)
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hosts = result['hosts']
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self.assertEqual(fake_hosts.HOST_LIST, hosts)
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def test_disable_host(self):
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self._test_host_update('host_c1', 'status', 'disable', 'disabled')
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self._test_host_update('host_c2', 'status', 'disable', 'enabled')
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def test_enable_host(self):
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self._test_host_update('host_c1', 'status', 'enable', 'enabled')
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self._test_host_update('host_c2', 'status', 'enable', 'disabled')
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def test_enable_maintenance(self):
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self._test_host_update('host_c1', 'maintenance_mode',
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'enable', 'on_maintenance')
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def test_disable_maintenance(self):
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self._test_host_update('host_c1', 'maintenance_mode',
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'disable', 'off_maintenance')
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def _test_host_update_notimpl(self, key, val):
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def stub_service_get_all_notimpl(self, req):
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return [{'host': 'notimplemented', 'topic': None,
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'availability_zone': None}]
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self.stub_out('nova.db.service_get_all',
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stub_service_get_all_notimpl)
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body = {key: val}
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self.assertRaises(webob.exc.HTTPNotImplemented,
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self.controller.update,
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self.req, 'notimplemented', body=body)
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def test_disable_host_notimpl(self):
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self._test_host_update_notimpl('status', 'disable')
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def test_enable_maintenance_notimpl(self):
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self._test_host_update_notimpl('maintenance_mode', 'enable')
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def test_host_startup(self):
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result = self.controller.startup(self.req, "host_c1")
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self.assertEqual(result["power_action"], "startup")
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def test_host_shutdown(self):
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result = self.controller.shutdown(self.req, "host_c1")
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self.assertEqual(result["power_action"], "shutdown")
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def test_host_reboot(self):
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result = self.controller.reboot(self.req, "host_c1")
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self.assertEqual(result["power_action"], "reboot")
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def _test_host_power_action_notimpl(self, method):
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self.assertRaises(webob.exc.HTTPNotImplemented,
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method, self.req, "notimplemented")
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def test_host_startup_notimpl(self):
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self._test_host_power_action_notimpl(self.controller.startup)
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def test_host_shutdown_notimpl(self):
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self._test_host_power_action_notimpl(self.controller.shutdown)
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def test_host_reboot_notimpl(self):
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self._test_host_power_action_notimpl(self.controller.reboot)
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def test_host_status_bad_host(self):
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# A host given as an argument does not exist.
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self.req.environ["nova.context"].is_admin = True
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dest = 'dummydest'
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with testtools.ExpectedException(webob.exc.HTTPNotFound,
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".*%s.*" % dest):
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self.controller.update(self.req, dest, body={'status': 'enable'})
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def test_host_maintenance_bad_host(self):
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# A host given as an argument does not exist.
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self.req.environ["nova.context"].is_admin = True
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dest = 'dummydest'
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with testtools.ExpectedException(webob.exc.HTTPNotFound,
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".*%s.*" % dest):
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self.controller.update(self.req, dest,
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body={'maintenance_mode': 'enable'})
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def test_host_power_action_bad_host(self):
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# A host given as an argument does not exist.
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self.req.environ["nova.context"].is_admin = True
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dest = 'dummydest'
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with testtools.ExpectedException(webob.exc.HTTPNotFound,
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".*%s.*" % dest):
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self.controller.reboot(self.req, dest)
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def test_host_status_bad_status(self):
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# A host given as an argument does not exist.
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self.req.environ["nova.context"].is_admin = True
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dest = 'service_not_available'
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with testtools.ExpectedException(webob.exc.HTTPBadRequest,
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".*%s.*" % dest):
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self.controller.update(self.req, dest, body={'status': 'enable'})
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def test_host_maintenance_bad_status(self):
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# A host given as an argument does not exist.
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self.req.environ["nova.context"].is_admin = True
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dest = 'service_not_available'
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with testtools.ExpectedException(webob.exc.HTTPBadRequest,
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".*%s.*" % dest):
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self.controller.update(self.req, dest,
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body={'maintenance_mode': 'enable'})
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def test_host_power_action_bad_status(self):
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# A host given as an argument does not exist.
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self.req.environ["nova.context"].is_admin = True
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dest = 'service_not_available'
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with testtools.ExpectedException(webob.exc.HTTPBadRequest,
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".*%s.*" % dest):
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self.controller.reboot(self.req, dest)
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def test_bad_status_value(self):
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bad_body = {"status": "bad"}
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self.assertRaises(self.validation_ex, self.controller.update,
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self.req, "host_c1", body=bad_body)
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bad_body2 = {"status": "disablabc"}
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self.assertRaises(self.validation_ex, self.controller.update,
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self.req, "host_c1", body=bad_body2)
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def test_bad_update_key(self):
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bad_body = {"crazy": "bad"}
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self.assertRaises(self.validation_ex, self.controller.update,
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self.req, "host_c1", body=bad_body)
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def test_bad_update_key_and_correct_update_key(self):
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bad_body = {"status": "disable", "crazy": "bad"}
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self.assertRaises(self.validation_ex, self.controller.update,
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self.req, "host_c1", body=bad_body)
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def test_good_update_keys(self):
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body = {"status": "disable", "maintenance_mode": "enable"}
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result = self.controller.update(self.req, 'host_c1', body=body)
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self.assertEqual(result["host"], "host_c1")
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self.assertEqual(result["status"], "disabled")
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self.assertEqual(result["maintenance_mode"], "on_maintenance")
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def test_show_host_not_exist(self):
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# A host given as an argument does not exist.
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self.req.environ["nova.context"].is_admin = True
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dest = 'dummydest'
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with testtools.ExpectedException(webob.exc.HTTPNotFound,
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".*%s.*" % dest):
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self.controller.show(self.req, dest)
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def _create_compute_service(self):
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"""Create compute-manager(ComputeNode and Service record)."""
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ctxt = self.req.environ["nova.context"]
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dic = {'host': 'dummy', 'binary': 'nova-compute', 'topic': 'compute',
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'report_count': 0}
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s_ref = db.service_create(ctxt, dic)
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dic = {'service_id': s_ref['id'],
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'host': s_ref['host'],
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'uuid': uuidsentinel.compute_node,
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'vcpus': 16, 'memory_mb': 32, 'local_gb': 100,
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'vcpus_used': 16, 'memory_mb_used': 32, 'local_gb_used': 10,
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'hypervisor_type': 'qemu', 'hypervisor_version': 12003,
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'cpu_info': '', 'stats': ''}
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db.compute_node_create(ctxt, dic)
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return db.service_get(ctxt, s_ref['id'])
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def test_show_no_project(self):
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"""No instances are running on the given host."""
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ctxt = context_maker.get_admin_context()
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s_ref = self._create_compute_service()
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result = self.controller.show(self.req, s_ref['host'])
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proj = ['(total)', '(used_now)', '(used_max)']
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column = ['host', 'project', 'cpu', 'memory_mb', 'disk_gb']
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self.assertEqual(len(result['host']), 3)
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for resource in result['host']:
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self.assertIn(resource['resource']['project'], proj)
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self.assertEqual(len(resource['resource']), 5)
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self.assertEqual(set(column), set(resource['resource'].keys()))
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db.service_destroy(ctxt, s_ref['id'])
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def test_show_works_correctly(self):
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"""show() works correctly as expected."""
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ctxt = context_maker.get_admin_context()
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s_ref = self._create_compute_service()
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i_ref1 = _create_instance(project_id='p-01', host=s_ref['host'])
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i_ref2 = _create_instance(project_id='p-02', vcpus=3,
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host=s_ref['host'])
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result = self.controller.show(self.req, s_ref['host'])
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proj = ['(total)', '(used_now)', '(used_max)', 'p-01', 'p-02']
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column = ['host', 'project', 'cpu', 'memory_mb', 'disk_gb']
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self.assertEqual(len(result['host']), 5)
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for resource in result['host']:
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self.assertIn(resource['resource']['project'], proj)
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self.assertEqual(len(resource['resource']), 5)
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self.assertEqual(set(column), set(resource['resource'].keys()))
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db.service_destroy(ctxt, s_ref['id'])
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db.instance_destroy(ctxt, i_ref1['uuid'])
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db.instance_destroy(ctxt, i_ref2['uuid'])
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def test_show_late_host_mapping_gone(self):
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s_ref = self._create_compute_service()
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with mock.patch.object(self.controller.api,
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'instance_get_all_by_host') as m:
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m.side_effect = exception.HostMappingNotFound(name='something')
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self.assertRaises(webob.exc.HTTPNotFound,
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self.controller.show, self.req, s_ref['host'])
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def test_list_hosts_with_zone(self):
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result = self.controller.index(FakeRequestWithNovaZone())
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self.assertIn('hosts', result)
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hosts = result['hosts']
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self.assertEqual(fake_hosts.HOST_LIST_NOVA_ZONE, hosts)
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class HostsPolicyEnforcementV21(test.NoDBTestCase):
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def setUp(self):
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super(HostsPolicyEnforcementV21, self).setUp()
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self.controller = os_hosts_v21.HostController()
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self.req = fakes.HTTPRequest.blank('')
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def test_index_policy_failed(self):
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rule_name = "os_compute_api:os-hosts"
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self.policy.set_rules({rule_name: "project_id:non_fake"})
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exc = self.assertRaises(
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exception.PolicyNotAuthorized,
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self.controller.index, self.req)
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self.assertEqual(
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"Policy doesn't allow %s to be performed." % rule_name,
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exc.format_message())
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def test_show_policy_failed(self):
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rule_name = "os_compute_api:os-hosts"
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self.policy.set_rules({rule_name: "project_id:non_fake"})
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exc = self.assertRaises(
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exception.PolicyNotAuthorized,
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self.controller.show, self.req, 1)
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self.assertEqual(
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"Policy doesn't allow %s to be performed." % rule_name,
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exc.format_message())
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class HostControllerDeprecationTest(test.NoDBTestCase):
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def setUp(self):
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super(HostControllerDeprecationTest, self).setUp()
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self.controller = os_hosts_v21.HostController()
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self.req = fakes.HTTPRequest.blank('', version='2.43')
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def test_not_found_for_all_host_api(self):
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self.assertRaises(exception.VersionNotFoundForAPIMethod,
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self.controller.show, self.req, fakes.FAKE_UUID)
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self.assertRaises(exception.VersionNotFoundForAPIMethod,
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self.controller.startup, self.req, fakes.FAKE_UUID)
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self.assertRaises(exception.VersionNotFoundForAPIMethod,
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self.controller.shutdown, self.req, fakes.FAKE_UUID)
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self.assertRaises(exception.VersionNotFoundForAPIMethod,
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self.controller.reboot, self.req, fakes.FAKE_UUID)
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self.assertRaises(exception.VersionNotFoundForAPIMethod,
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self.controller.index, self.req)
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self.assertRaises(exception.VersionNotFoundForAPIMethod,
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self.controller.update, self.req, fakes.FAKE_UUID,
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body={})
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